79487379 has 32 divisors (see below), whose sum is σ = 126873600. Its totient is φ = 49040640.

The previous prime is 79487371. The next prime is 79487383. The reversal of 79487379 is 97378497.

It is not a de Polignac number, because 79487379 - 2³ = 79487371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79487371) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17187 + ... + 21315.

It is an arithmetic number, because the mean of its divisors is an integer number (3964800).

Almost surely, 2^79487379 is an apocalyptic number.

79487379 is a deficient number, since it is larger than the sum of its proper divisors (47386221).

79487379 is a wasteful number, since it uses less digits than its factorization.

79487379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4192 (or 4186 counting only the distinct ones).

The product of its digits is 2667168, while the sum is 54.

The square root of 79487379 is about 8915.5694714359. The cubic root of 79487379 is about 429.9646248165.

The spelling of 79487379 in words is "seventy-nine million, four hundred eighty-seven thousand, three hundred seventy-nine".